Viewing archive of Tuesday, 11 December 2001

Sunspot numberNew regionsBackground fluxCMX
154 -700 -3C2.8411

Solar flares

Region Start Maximum End
- C3.44 03:30 03:43 03:47
- C2.7 04:12 04:16 04:21
9733 X2.8 Play 07:58 08:08 08:14
- C4.6 10:06 10:19 10:29
9727 M1.3 14:42 14:51 14:57
- C3.4 18:54 19:01 19:08

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/07/05Kp5 (G1)
Number of spotless days in 2018:106
Current stretch spotless days:22

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